|
gptkbp:instance_of
|
gptkb:spacecraft
|
|
gptkbp:collaboration
|
yes
limited
|
|
gptkbp:communication_system
|
gptkb:radio_station
|
|
gptkbp:cooling_system
|
phenolic resin
|
|
gptkbp:crew
|
gptkb:Valery_Ryumin
gptkb:Viktor_Patsayev
gptkb:Boris_Volynov
yes
extensive
several months
splashdown
continuous monitoring
prioritized
rigorous selection process
1976-01-29
experienced cosmonauts
constant communication with ground control
important for mission success
|
|
gptkbp:crew_capacity
|
gptkb:3
2
|
|
gptkbp:date
|
1976-01-21
|
|
gptkbp:duration
|
7 days
|
|
gptkbp:first_flight
|
gptkb:1976
1976-01-14
extensive pre-launch testing
detailed analysis conducted
1976-01-29
|
|
gptkbp:flight_style
|
gptkb:1
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Soyuz 21 K
|
|
gptkbp:impact
|
significant impact on space exploration.
|
|
gptkbp:is_a_destination_for
|
gptkb:Salyut_5
|
|
gptkbp:is_aplace_for
|
250 km
|
|
gptkbp:landing_site
|
gptkb:Kazakhstan
|
|
gptkbp:launch_date
|
1976-01-14
03:00 UTC
|
|
gptkbp:launch_event
|
100%
high
|
|
gptkbp:launch_mass
|
7,200 kg
|
|
gptkbp:launch_site
|
gptkb:Baikonur_Cosmodrome
|
|
gptkbp:launch_vehicle
|
gptkb:Soyuz-U
|
|
gptkbp:launch_window
|
limited
1976-01-14 to 1976-01-29
|
|
gptkbp:launched
|
gptkb:1
|
|
gptkbp:legacy
|
paved the way for future missions
|
|
gptkbp:life_support_system
|
closed-loop system
|
|
gptkbp:manufacturer
|
gptkb:Soviet_Union
|
|
gptkbp:mass
|
2,500 kg
|
|
gptkbp:mission
|
gptkb:Moscow
gptkb:scientific_research
completed
successful
space station resupply
months of preparation
thoroughly documented
successful mission analysis
|
|
gptkbp:mission_duration
|
15 days
7 days, 22 hours, 12 minutes
|
|
gptkbp:mission_type
|
gptkb:human_spaceflight
crewed
|
|
gptkbp:module
|
gptkb:Soyuz_spacecraft
yes
|
|
gptkbp:notable_mission
|
demonstrated long-duration spaceflight capabilities
|
|
gptkbp:operational_period
|
gptkb:1976
|
|
gptkbp:operational_status
|
retired
|
|
gptkbp:operator
|
gptkb:Soviet_space_program
|
|
gptkbp:orbit_type
|
low Earth orbit
|
|
gptkbp:orbital_inclination
|
51.6 degrees
|
|
gptkbp:orbital_period
|
90 minutes
|
|
gptkbp:payload_capacity
|
7,200 kg
|
|
gptkbp:perigee
|
200 km
|
|
gptkbp:post_mission_support
|
provided by ground teams
|
|
gptkbp:power_source
|
solar panels
|
|
gptkbp:recovery_method
|
gptkb:Kazakhstan
parachute landing
|
|
gptkbp:related_vehicle
|
gptkb:Soyuz_descent_module
|
|
gptkbp:replaced_by
|
gptkb:Soyuz_T
|
|
gptkbp:research
|
biological experiments
materials science experiments
|
|
gptkbp:service
|
yes
|
|
gptkbp:significance
|
first crewed mission to Salyut 5
|
|
gptkbp:spacecraft
|
gptkb:Soyuz
gptkb:spacecraft
modular design
advanced navigation systems
successful recovery
|
|
gptkbp:speed
|
ballistic reentry
|
|
gptkbp:status
|
retired
|
|
gptkbp:successor
|
gptkb:Soyuz_22
gptkb:Soyuz_T
|